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feat: Add 'Export Query Result' button which downloads csv file of query result set #4

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feat: Add 'Export Query Result' button which downloads csv file of query result set #4

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18 changes: 18 additions & 0 deletions src/App.js
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import Papa from "papaparse";
import React, { Component } from "react";
import Button from "react-bootstrap/lib/Button";
import Modal from "react-bootstrap/lib/Modal";
Expand Down Expand Up @@ -111,16 +112,33 @@ class App extends Component {
}
};

downloadResultSet = () => {
var outputData = this.state.result.rows;
outputData.unshift(this.state.result.cols);
const csvString = Papa.unparse(outputData);
const blob = new Blob([csvString], { type: "text/csv;charset=utf-8;" });

const url = URL.createObjectURL(blob);
const link = document.createElement("a");
link.href = url;
link.setAttribute("download", "CSV SQL LIVE output.csv");
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
};

updateState = state => {
this.setState(state);
};

componentDidMount() {
emitter.addListener("downloadResultSet", this.downloadResultSet);
emitter.addListener("runQuery", this.runQuery);
emitter.addListener("updateState", this.updateState);
}

componentWillUnmount() {
emitter.removeListener("downloadResultSet", this.downloadResultSet);
emitter.removeListener("runQuery", this.runQuery);
emitter.removeListener("updateState", this.updateState);
}
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27 changes: 25 additions & 2 deletions src/QueryForm.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,10 @@ import emitter from "./emitter";
class QueryForm extends Component {
constructor(props) {
super(props);
this.state = { queryText: "" };
this.state = {
queryText: "",
queryRan: false
};
}

handleChange = e => {
Expand All @@ -18,6 +21,14 @@ class QueryForm extends Component {
handleSubmit = e => {
e.preventDefault();
emitter.emit("runQuery", this.state.queryText);
this.setState({
queryRan: true
});
};

handleClick = e => {
e.preventDefault();
emitter.emit("downloadResultSet");
};

newTable = tableName => {
Expand Down Expand Up @@ -54,9 +65,21 @@ class QueryForm extends Component {
}
/>
<Button
bsStyle="primary"
onClick={this.handleClick}
bsStyle="success"
style={{ marginTop: "0.5em" }}
className="pull-right"
disabled={
this.props.status !== "loaded" ||
this.state.queryRan === false
}
>
Export Query Result
</Button>
<Button
bsStyle="primary"
style={{ marginTop: "0.5em", marginRight: "0.5em" }}
className="pull-right"
type="submit"
disabled={
this.props.status !== "loaded" &&
Expand Down